micro- bact.

Question 1

____ is the rat flea that carries yersinia pestis

Answer 1

xenopsylla cheopis

is a clepto that causes black plagque

Question 2

____ bact. is carried by Rabbits

Answer 2

francisella tularensis

Question 3

food bact.: times of s/s
_____& _____: 12-24 hr after
_____: 1-7 days after
_____: 2-4 hrs

Answer 3

12-24 hrs: clostridium botulinum & salmonella entrides

1-7 days: C. jejuni (camping the past week)

2-4 hours: Staph aureus ( upset tummy after)

Question 4

____ bact: s/s rose colored spots on abdomen. hides in the GB and peyers patches in ileum

Answer 4

Salmonella typhi

widels test

Question 5

Clostridium botulinum:
physio: ____
Food:___

Answer 5

prevents AcH release (floppy baby sx)
1st sx: diplopia 2nd: death

Food: home canning

Question 6

MCC of gastritis caused by bact. , #1 cause of diarrhea, #1 food poisening

Answer 6

C. jejuni

bl. and pus in stool

Question 7

___ bact. caused by deli meats and soft cheese

Answer 7

listeria monocytogenes

Question 8

____ bact.: food poisening caused by creams and custards

Answer 8

staph areus

2-4 hrs

Question 9

___ bact: food poisening caused by eggs and poultry

Answer 9

salmonella entrides

Question 10

bangs dz: _____

Answer 10

brucella abortus

spontaneous abortions in cattle

Question 11

Comma shaped, rice water stools = ____ bact.

Answer 11

vibrio cholera

from contaminated water

Question 12

Shigella is ___ & ___ born

Answer 12

*water and *soil born

Question 13

___ bact= montezuma’s revenge

Answer 13

E. coli (enterotoxigenic form)

e. coli OH157= hamburger’s dz, hemorrhagic diarrhea

Question 14

______= woolsorter’s dz

Answer 14

anthrax

bact: bacillus anthracis –> inhaled spores

Question 15

physio of clostridium tetani

Answer 15

lackjaw aka trimus

inhibits GABA and Glycine ( blocks inhibitory NT)

Question 16

name 4 soil borne bact

Answer 16

1. bacillus anthracis
2. clostridium tetani
3. shigella (and water)
4. clostridium perfingins

Question 17

Name 4 water borne bact.

Answer 17

1. brucella abortus
2. vibrio cholera
3. shigella (and soil)
4. E. coli

Question 18

2 bact that affect otitis media

Answer 18

1. haemophilis influenza

2. strep pneumoniae

Question 19

2 bact. that affect otitis externa

Answer 19

1. E coli

2. Pseudomonas aeruginosa

Question 20

Name the 5 spirochete bact organisms

Answer 20

1. Leptospira interrogans
2. Borrelia burgdorferi
3. Borrelia recurrentis
4. Treponema pallidum
5. Treponema pertenue

Question 21

Vector of borrelia burdgorferi?

Dz name?

Answer 21

vector: deer tick (aka lxodes scapularis)
dz: lyme dz

(bull’s eye rash)

Question 22

bull’s eye rash?: dz?

Answer 22

lyme dz

Question 23

_______: characterized by a relapsing fever. Caused by ticks, lice, rabbits

Answer 23

borrelia recurrentis

Question 24

______(dz): gummas, argyll robertson pupil, tabes dorsalis

organism: _____

Answer 24

syphilis

organism: treponema pallidum

Question 25

treponema pallidum= ______ dz

Answer 25

syphilis

Question 26

________(dz)= non-venereal syphilis, fom casual contact

organism:____

Answer 26

dz: yaws
organism: treponema pertenue

Question 27

how do bact. replicate?

Answer 27

binary fission- asexual reproduction

Question 28

B hemolytic strep has the enzyme ____ to dissolve clots that the bd uses to wall off organisms from spreading

Answer 28

streptokinase

Question 29

staph used the enzyme _____ to break down fibrinogen into fibrin

Answer 29

coagulase

Question 30

2 bact’s that use leukocidin to kill WBC’s

Answer 30

staph and strep

Question 31

staph uses enzyme _____ to break down RBC

Answer 31

hemolysin

Question 32

3 bacterias that use hyaluronidase to break down hyaluronic acid

Answer 32

staph
strep
clostridia

Question 33

bacteria that best grow in these temps:
_____: 15 C or lower
_____: 25-40C (37C = human temp)
_____: 45C+

Answer 33

Psychrophilic : 15 C or lower
mesophilic: 25-40C (37C = human temp)
Thermophilic: 45C+

(psycho to be cold, meso= medium, thermo= hot)

Question 34

MC cause of meningitis by age group:

(2) Newborns
(2) infants
(1) adults

Answer 34

newborns:
1. E. coli
2. Listeria (milk)

infants:
1. strep pneumoniae
2. Neisseria meningitides (only one with a rash)

Adults:
1. Strep pneumonia

Question 35

Only cause of meningitis with a rash

Answer 35

Neisseria Meningitides

infants- older children

Question 36

Which bacteria can not be stained due to mycolic acid on the membrane?

Answer 36

mycobacterium tuberculosis

myco = mycolic